<template>
    <el-dialog :title="!dataForm.id ? '新增' : '修改'" :close-on-click-modal="false" :visible.sync="visible">
        <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" label-width="80px">
            <el-form-item label="类型" prop="type">
                <el-radio-group v-model="dataForm.type">
                    <el-radio v-for="(type, index) in dataForm.typeList" :label="index" :key="index">{{ type }}</el-radio>
                </el-radio-group>
            </el-form-item>
            <el-form-item :label="dataForm.typeList[dataForm.type] + '名称'" prop="name">
                <el-input v-model="dataForm.name" :placeholder="dataForm.typeList[dataForm.type] + '名称'"></el-input>
            </el-form-item>
            <el-form-item label="上级菜单" prop="parentName">
                <el-popover ref="menuListPopover" placement="bottom-start" trigger="click">
                    <el-tree :data="menuList" :props="menuListTreeProps" node-key="menuId" ref="menuListTree" @current-change="menuListTreeCurrentChangeHandle" :default-expand-all="true" :highlight-current="true" :expand-on-click-node="false">
                    </el-tree>
                </el-popover>
                <el-input v-model="dataForm.parentName" v-popover:menuListPopover :readonly="true" placeholder="点击选择上级菜单" class="menu-list__input"></el-input>
            </el-form-item>
            <el-form-item v-if="dataForm.type === 1" label="菜单路由" prop="url">
                <el-input v-model="dataForm.url" placeholder="菜单路由"></el-input>
            </el-form-item>
            <el-form-item v-if="dataForm.type !== 0" label="授权标识" prop="perms">
                <el-input v-model="dataForm.perms" placeholder="多个用逗号分隔, 如: user:list,user:create"></el-input>
            </el-form-item>

            <el-form-item v-if="dataForm.type !== 2" label="菜单图标" prop="icon">
                <el-row>
                    <el-col :span="12">
                        <el-input v-model="dataForm.icon" placeholder="菜单图标名称" class="icon-list__input"></el-input>
                    </el-col>
                    <el-col :span="12" class="icon-list__tips">
                        <el-form-item v-if="dataForm.type !== 2" label="排序号" prop="orderNum">
                            <el-input-number v-model="dataForm.orderNum" controls-position="right" :min="0" label="排序号"></el-input-number>
                        </el-form-item>
                    </el-col>
                </el-row>
            </el-form-item>
            <div>参考ElementUI图标库, <a href="https://element.eleme.cn/#/zh-CN/component/icon" target="_blank">找图标</a></div>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="visible = false">取消</el-button>
            <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
        </span>
    </el-dialog>
</template>

<script>
import { treeDataTranslate } from '@/utils'
export default {
    data() {
        var validateUrl = (rule, value, callback) => {
            if (this.dataForm.type === 1 && !/\S/.test(value)) {
                callback(new Error('菜单URL不能为空'))
            } else {
                callback()
            }
        }
        return {
            visible: false,
            dataForm: {
                id: 0,
                type: 1,
                typeList: ['目录', '菜单', '按钮'],
                name: '',
                parentId: 0,
                parentName: '',
                url: '',
                perms: '',
                orderNum: 0,
                icon: '',
            },
            dataRule: {
                name: [
                    { required: true, message: '菜单名称不能为空', trigger: 'blur' }
                ],
                parentName: [
                    { required: true, message: '上级菜单不能为空', trigger: 'change' }
                ],
                url: [
                    { validator: validateUrl, trigger: 'blur' }
                ]
            },
            menuList: [],
            menuListTreeProps: {
                label: 'name',
                children: 'children'
            }
        }
    },
    methods: {
        init(id) {
            this.dataForm.id = id || 0
            this.$http({
                url: this.$http.adornUrl('/sys/menu/select'),
                method: 'get',
                params: this.$http.adornParams()
            }).then(({ data }) => {
                this.menuList = treeDataTranslate(data.menuList, 'menuId')
            }).then(() => {
                this.visible = true
                this.$nextTick(() => {
                    this.$refs['dataForm'].resetFields()
                })
            }).then(() => {
                if (!this.dataForm.id) {
                    // 新增
                    this.menuListTreeSetCurrentNode()
                } else {
                    // 修改
                    this.$http({
                        url: this.$http.adornUrl(`/sys/menu/info/${this.dataForm.id}`),
                        method: 'get',
                        params: this.$http.adornParams()
                    }).then(({ data }) => {
                        this.dataForm.id = data.menu.menuId
                        this.dataForm.type = data.menu.type
                        this.dataForm.name = data.menu.name
                        this.dataForm.parentId = data.menu.parentId
                        this.dataForm.url = data.menu.url
                        this.dataForm.perms = data.menu.perms
                        this.dataForm.orderNum = data.menu.orderNum
                        this.dataForm.icon = data.menu.icon
                        this.menuListTreeSetCurrentNode()
                    })
                }
            })
        },
        // 菜单树选中
        menuListTreeCurrentChangeHandle(data, node) {
            this.dataForm.parentId = data.menuId
            this.dataForm.parentName = data.name
        },
        // 菜单树设置当前选中节点
        menuListTreeSetCurrentNode() {
            this.$refs.menuListTree.setCurrentKey(this.dataForm.parentId)
            this.dataForm.parentName = (this.$refs.menuListTree.getCurrentNode() || {})['name']
        },
        // 表单提交
        dataFormSubmit() {
            this.$refs['dataForm'].validate((valid) => {
                if (valid) {
                    this.$http({
                        url: this.$http.adornUrl(`/sys/menu/${!this.dataForm.id ? 'save' : 'update'}`),
                        method: 'post',
                        data: this.$http.adornData({
                            'menuId': this.dataForm.id || undefined,
                            'type': this.dataForm.type,
                            'name': this.dataForm.name,
                            'parentId': this.dataForm.parentId,
                            'url': this.dataForm.url,
                            'perms': this.dataForm.perms,
                            'orderNum': this.dataForm.orderNum,
                            'icon': this.dataForm.icon
                        })
                    }).then(({ data }) => {
                        if (data && data.code === 200) {
                            this.$message({
                                message: '操作成功',
                                type: 'success',
                                duration: 1500,
                                onClose: () => {
                                    this.visible = false
                                    this.$emit('refreshDataList')
                                }
                            })
                        } else {
                            this.$message.error(data.msg)
                        }
                    })
                }
            })
        }
    }
}
</script>

<style lang="scss">
.mod-menu {
    .menu-list__input,
    .icon-list__input {
        > .el-input__inner {
            cursor: pointer;
        }
    }
    &__icon-popover {
        width: 458px;
        overflow: hidden;
    }
    &__icon-inner {
        width: 478px;
        max-height: 258px;
        overflow-x: hidden;
        overflow-y: auto;
    }
    &__icon-list {
        width: 458px;
        padding: 0;
        margin: -8px 0 0 -8px;
        > .el-button {
            padding: 8px;
            margin: 8px 0 0 8px;
            > span {
                display: inline-block;
                vertical-align: middle;
                width: 18px;
                height: 18px;
                font-size: 18px;
            }
        }
    }
    .icon-list__tips {
        font-size: 18px;
        text-align: center;
        color: #e6a23c;
        cursor: pointer;
    }
}
</style>
